1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <valarray>
10 
11 // template<class T> class valarray;
12 
13 // const value_type& operator[](size_t i) const;
14 
15 #include <valarray>
16 #include <cassert>
17 
18 int main()
19 {
20     {
21         typedef int T;
22         T a[] = {5, 4, 3, 2, 1};
23         const unsigned N = sizeof(a)/sizeof(a[0]);
24         const std::valarray<T> v(a, N);
25         for (unsigned i = 0; i < N; ++i)
26         {
27             assert(v[i] == a[i]);
28         }
29     }
30 }
31